<?php
/**
 * Created by PhpStorm.
 * User: zhangrxiang
 * Date: 2017/6/28
 * Time: 15:39
 * Project name: PHPTEST
 * File name: 1.php
 * @copyright Copyright (c) 2016 ZRX Software LLC
 * @license https://github.com/zhangrxiang
 * @since 1.0.0
 */

$str = 'a:9:{i:1498635560;a:1:{s:16:"wpm_cron_routine";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:9:"wpm_queue";s:4:"args";a:0:{}s:8:"interval";i:300;}}}i:1498635660;a:1:{s:36:"msr_republish_failed_scheduled_posts";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:6:"hourly";s:4:"args";a:0:{}s:8:"interval";i:3600;}}}i:1498637856;a:1:{s:30:"wp_scheduled_auto_draft_delete";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:5:"daily";s:4:"args";a:0:{}s:8:"interval";i:86400;}}}i:1498638198;a:1:{s:17:"gravityforms_cron";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:5:"daily";s:4:"args";a:0:{}s:8:"interval";i:86400;}}}i:1498642860;a:2:{s:29:"msr_expired_academic_programs";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:5:"daily";s:4:"args";a:0:{}s:8:"interval";i:86400;}}s:18:"msr_expired_events";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:5:"daily";s:4:"args";a:0:{}s:8:"interval";i:86400;}}}i:1498647169;a:1:{s:17:"zing_cron_routine";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:10:"zing_queue";s:4:"args";a:0:{}s:8:"interval";i:1;}}}i:1498678441;a:3:{s:17:"wp_update_plugins";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:10:"twicedaily";s:4:"args";a:0:{}s:8:"interval";i:43200;}}s:16:"wp_update_themes";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:10:"twicedaily";s:4:"args";a:0:{}s:8:"interval";i:43200;}}s:16:"wp_version_check";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:10:"twicedaily";s:4:"args";a:0:{}s:8:"interval";i:43200;}}}i:1498721746;a:1:{s:19:"wp_scheduled_delete";a:1:{s:32:"40cd750bba9870f18aada2478b24840a";a:3:{s:8:"schedule";s:5:"daily";s:4:"args";a:0:{}s:8:"interval";i:86400;}}}s:7:"version";i:2;}';
$arr = unserialize($str);
var_dump($arr);